[Blackfin] arch: Initial checkin of the memory protection support.

Enable it with CONFIG_MPU.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-blackfin/cplb.h b/include/asm-blackfin/cplb.h
index 06828d77a58f..654375c2b746 100644
--- a/include/asm-blackfin/cplb.h
+++ b/include/asm-blackfin/cplb.h
@@ -65,7 +65,11 @@
 #define SIZE_1M 0x00100000      /* 1M */
 #define SIZE_4M 0x00400000      /* 4M */
 
+#ifdef CONFIG_MPU
+#define MAX_CPLBS 16
+#else
 #define MAX_CPLBS (16 * 2)
+#endif
 
 #define ASYNC_MEMORY_CPLB_COVERAGE      ((ASYNC_BANK0_SIZE + ASYNC_BANK1_SIZE + \
                                  ASYNC_BANK2_SIZE + ASYNC_BANK3_SIZE) / SIZE_4M)